Home / 2,635,856.96-3,953,756.64-641,314.88

Finding the Fourth Proportional to 2,635,856.96, 3,953,756.64 and 641,314.88

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Solution

The fourth proportional to 2,635,856.96, 3,953,756.64 and 641,314.88 is: 961,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,856.96 : 3,953,756.64 = 641,314.88 : x
  2. Step 2: Convert to fraction form
    2,635,856.96/3,953,756.64 = 641,314.88/x
  3. Step 3: Cross multiply
    2,635,856.96x = 3,953,756.64 × 641,314.88
  4. Step 4: Simplify right side
    2,635,856.96x = 2,535,602,965,130.80
  5. Step 5: Solve for x
    x = 2,535,602,965,130.80/2,635,856.96
  6. Step 6: Final answer
    x = 961,965.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.